2x + y = -2 x + y = 5 The x-coordinate of the solution to the system shown is _____.

asked Dec 18, 2017 11.6k views

5 votes

2x + y = -2

x + y = 5

The x-coordinate of the solution to the system shown is _____.

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7 votes

2x + y = -2
x + y = 5...multiply by -1
----------------
2x + y = -2
-x - y = -5 (result of multiplying by -1)
---------------add
x = -7 <==

Shirish Patel answered Dec 23, 2017

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